World-line approach to the Bern-Kosower formalism in two-loop Yang-Mills theory

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概要

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• Based on the world-line formalism with a sewing method, we derive the Yang-Mills effective action in a form useful to generate the Bern-Kosower-type master formulae for gluon scattering amplitudes at the two-loop level. It is shown that fourgluon (Φ^4 type sewing) contributions can be encapsulated in the action with threegluon (Φ^3 type) vertices only, the total action thus becoming a simple expression. The ghost loop and fermion loop cases are also studied.

• 素粒子論グループ 素粒子研究編集部の論文
• 1999-09-20

著者

• Sato H

  Institut Fur Theoretische Physik Universitat Heidelberg

• Sato Haru-tada

  Institute Of Physics College Of General Education Osaka University

関連論文

• Quantum Affine Transformation Group and Covariant Differential Calculus : General and Mathematical Physics
• World-line approach to the Bern-Kosower formalism in two-loop Yang-Mills theory

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